Job Description:
Are you a full stack developer who enjoys solving complex problems, modernizing applications, and building tools that make a real impact? CSI is seeking a Full Stack Software Engineer to join our NuPoint Flex Team, a highly collaborative group that supports key initiatives across Deposits, Loans, Conversions, and internal operational applications.
This team serves as a flexible engineering resource, stepping in where additional technical expertise is needed. You'll work on a wide variety of projects including customer-facing enhancements, internal business applications, APIs, automation initiatives, and modernization efforts that help move our technology platform forward.
What You'll Do
As a Full Stack Software Engineer, you'll contribute across the entire software development lifecycle while partnering with internal stakeholders, product teams, and fellow engineers to design, build, and enhance applications.
In this role, you will:
- Design, develop, test, and maintain full stack applications using modern Microsoft technologies
- Build and enhance REST APIs that support internal and customer-facing products
- Develop intuitive user interfaces using Angular and modern web technologies
- Create scalable backend solutions using .NET, C#, and SQL Server
- Support modernization initiatives, technical debt reduction, and application upgrades
- Develop automation solutions that improve efficiency for operational and conversion teams
- Participate in code reviews, testing, troubleshooting, and production support activities
- Collaborate with developers, product managers, and business stakeholders to translate requirements into technical solutions
- Contribute to CI/CD, DevOps, and cloud-based initiatives as the organization continues its technology evolution
- Provide mentorship and technical guidance to junior team members as appropriate
What You'll Be Working On
The Flex Team supports a diverse portfolio of projects, including:
- Internal applications that automate repetitive business processes
- Conversion tools that enable teams to perform data-related activities more efficiently
- Deposit and Loan API enhancements
- Customer-requested product improvements that development teams have not yet had capacity to prioritize
- Modernization projects focused on upgrading legacy applications and technology platforms
- Emerging initiatives involving AI-assisted development tools and engineering productivity improvements
Required Qualifications
- 3+ years of professional software development experience
- Strong experience with .NET / .NET Core C# SQL Server or other relational databases Angular, React, or similar modern JavaScript framework HTML and CSS
- Experience developing and consuming RESTful APIs
- Experience with source control and modern software development practices
- Strong problem-solving and debugging skills
- Excellent communication and collaboration abilities
- Ability to work independently while contributing to a team-oriented environment
Preferred Qualifications
- Experience with Angular
- Experience with API testing tools such as Postman or ReadyAPI
- Experience with Azure cloud technologies, Azure DevOps, App Configuration, or Key Vault
- Experience with containerization technologies
- Banking, fintech, or financial services experience
- Exposure to AI-assisted development tools such as GitHub Copilot, Claude, or similar technologies
As a forward-thinking software provider, Computer Services, Inc. (CSI) helps community and regional financial institutions solve their customers’ needs through open and flexible technologies. In addition to its award-winning core banking platform, these include the latest in lending, digital banking, payments, financial crime prevention and cybersecurity. Building on its 60-year track record of personalized service, CSI is shaping the future of banking and empowering its customers to rival their competition. For more information about CSI, visit www.csiweb.com
CSI provides rewarding and challenging career opportunities for our employees. When determining your pay, we consider various factors such as your skills, qualifications, experience and location. Along with a competitive salary, this position includes eligibility for incentive awards based on both individual and business performance. We also offer a comprehensive range of benefits. To learn more about our benefits, visit: Benefits Summary
CSI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, physical and mental disability, marital status, veteran status, or any other characteristic protected by applicable law. If you need an accommodation during the recruitment process, please email us at [email protected] and we will work with you to meet your accessibility needs.
For applicants residing in California, please read Privacy Notice for California Residents | CSI (csiweb.com)
Visa Sponsorship: We are unable to offer visa sponsorship for this position. Applicants must be authorized to work in the United States without the need for sponsorship now or in the future.
Skills Required
- 3+ years of professional software development experience
- Experience with .NET or .NET Core and C#
- Experience with SQL Server or other relational databases
- Experience with Angular, React, or a similar modern JavaScript framework
- Experience with HTML and CSS
- Experience developing and consuming RESTful APIs
- Experience with source control and modern software development practices
- Strong problem-solving and debugging skills
- Excellent communication and collaboration abilities
- Ability to work independently in a team-oriented environment
- Experience with Angular
- Experience with API testing tools such as Postman or ReadyAPI
- Experience with Azure cloud technologies, Azure DevOps, App Configuration, or Key Vault
- Experience with containerization technologies
- Banking, fintech, or financial services experience
- Exposure to AI-assisted development tools such as GitHub Copilot or Claude
What We Do
As a forward-thinking technology partner, we accelerate our delivery of cutting-edge solutions to empower our customers’ growth. CSI heavily invests in research and development, product partnerships and strategic acquisitions to provide the most innovative technologies—all while maintaining our service-first mentality. We drive financial institutions and other businesses forward with a variety of services, including: Core Banking With more than 57 years as a leader in core bank processing, CSI’s enterprise banking solutions empower institutions to compete in an open banking environment while growing assets, developing additional revenue streams and reaching new customers by integrating the latest digital technologies. Regulatory Compliance As an established leader in compliance, top global brands trust CSI as their regtech partner and rely on us for our advanced compliance software—including industry-leading fraud and anti-money laundering solutions. Managed Cybersecurity CSI offers cloud-based cybersecurity services, with 24/7 monitoring, real-time incident remediation, seamless compliance integration and industry-leading support for enhanced threat mitigation. IT Management As one of the largest, most trusted managed services partners in the country, we take a consultative approach to IT management to provide a scalable, efficient IT enterprise that supports institutions’ growth and regulatory needs. Document Distribution From digital document delivery to cost-efficient print and mail services, CSI provides a full range of document distribution solutions to help financial institutions stay connected with their customers. Advisory Services CSI’s Advisory Services—which include IT governance, compliance and risk management services—deliver cost-effective solutions that reduce the time and expense of managing security and compliance while ensuring technology is aligned to business objectives.
